Java反射赋值会调用set方法吗 不会。set/get方法只是javaBean的规范,用来统一管理Bean属性的赋值操作。
java反射给字段赋值就是给实体类的set赋值,怎么做? 亲,以下是我写的例子,你可以参考:import java.lang.reflect.Field;import java.util.Arrays;import static java.lang.System.out;enum Tweedle { DEE,DUM }public class Book {public long chapters=0;public String[]characters={\"Alice\",\"White Rabbit\"};public Tweedle twin=Tweedle.DEE;public static void main(String.args){Book book=new Book();String fmt=\"%6S:%-12s=s%n;try {Class?c=book.getClass();Field chap=c.getDeclaredField(\"chapters\");out.format(fmt,\"before\",\"chapters\",book.chapters);chap.setLong(book,12);out.format(fmt,\"after\",\"chapters\",chap.getLong(book));Field chars=c.getDeclaredField(\"characters\");out.format(fmt,\"before\",\"characters\",Arrays.asList(book.characters));String[]newChars={\"Queen\",\"King\"};chars.set(book,newChars);out.format(fmt,\"after\",\"characters\",Arrays.asList(book.characters));Field t=c.getDeclaredField(\"twin\");out.format(fmt,\"before\",\"twin\",book.twin);t.set(book,Tweedle.DUM);out.format(fmt,\"after\",\"twin\",t.get(book));production code should handle these 。
Java里面,反射父类里面数字类型字段,怎么set值 首先,Class,由getSuperclass()得到、进而得到指定的属性field而调用get/set同样是 field.get(obj)field.set(obj)
如何用Java反射取得一个对象里所有get方法的结果 public class TblFwlx {/Fields private Integer lxid;private String fwlx;public Integer getLxid(){ return this.lxid;。